U.S. Patents
- General Information Concerning Patents (USPTO) Overview of the U.S. patent system.
- United States Patent and Trademark Office
Access to issued patents' full-text (since 1976) and full-page image (since 1790) databases. -
U.S. Food & Drug Administration
- Covers prescription drug products, over-the-counter drugs and discontinued drugs. Search by active ingredient, brand name, owner and patent number.
- U.S. Patent Classification (USPC) System used by the USPTO to classify patent documents. Contains 450 classes and 150,000 subclasses.
Last Update: 18 Jan 14:07 | Tagged with: patents intellectual property

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